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B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62D—MOTOR VEHICLES; TRAILERS
B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
B—PERFORMING OPERATIONS; TRANSPORTING
B32—LAYERED PRODUCTS
B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B27/00—Layered products comprising a layer of synthetic resin
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
D21J1/00—Fibreboard
D21J1/16—Special fibreboard
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FR54548A1954-11-161954-11-29Procédé et appareil pour la fabrication de matériaux de construction et d'articles finis ou demi-finis
ExpiredFR75006E
(fr)
Procédé et dispositif pour la fabrication de produits semi-finis ou de produits finis, poreux ou homogènes, à base de matière synthétique, notamment à base de polyuréthane